Read this response and predict the preceding dialog. They are also mildly tart and tangy in flavor, due to citric acid and malic acid which are sometimes crystals that coat the sweets.

Convo:
[A]. What is known about fruit sours?;
[B]. Fruit sours Fruit sours is a confectionery that is normally sold in bulk.;
[A]. Are there any other interesting aspects about this article?;
[B]. Each piece is spherical and about 15mm in diameter.;
[A]. What more is known about the fruit sours?;
[B]. They come in a variety of colors; typically red (strawberry), orange, yellow (lemon), green (apple or lime), and purple (berry or black currant).;
[A]. What an interesting aspect of this article?;
[B]. Fruit sours are comparable to jelly beans in texture, with a soft candy center and a glazed outer shell.;
[A]. What more is known about the fruit sours?;
[B]. 